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1987 Chevrolet V30 Silverado 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, MIL Lamp on
The truck came in with a code 33 for MAP sensor and and oxygen sensor code. The fuel state stays rich even after replacing both affected components. Oxygen sensor volts are .69 wirh 0 cross counts. IAC is 47 and coolant temp switch is working. Can not figure o...
FIX posted 6/24/2008
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Message Closed w/FIX
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25 Replies Received
25 Replies Received
Related Documents & Media | VIN | 1GBHV34K7H |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / tbi |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 33 | MAP sensor |
Message Closed w/FIX
Vehicle Data
1987 Chevrolet V30 Silverado
| VIN | 1GBHV34K7H |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / tbi |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Stall, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 33 | MAP sensor |
Video